Geologic Time Scale

The Geologic Time Scale

Volcanic eruptions, glaciation, tectonic collisions and mountain building have all occurred many times in various places on earth. What information do we have today that tells us of these events? The rocks themselves! Fossils of organisms are evidence of these occurrences by studying the characteristics of layered rocks and changes Read more…

Geodynamics

Geodynamics

Definition Of Geodynamics Geodynamics is a subfield of geophysics that deals with the dynamics of the Earth. It involves the application of physics, chemistry and mathematics to the understanding of how mantle convection leads to plate tectonics and geologic phenomena such as mountain building, seafloor spreading, volcanoes, faulting, earthquakes and Read more…